Alarms, Buzzers, and Sirens

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Driver Circuitry	Input Type	Voltage - Rated	Voltage Range	Frequency	Technology	Operating Mode	Duration	Sound Pressure Level (SPL)	Current - Supply	Port Location	Operating Temperature	Approval Agency	Ratings	Mounting Type	Termination	Size / Dimension	Height - Seated (Max)

SC628 BUZZER PIEZO 42.85MM PNL MNT Mallory Sonalert Products Inc.	2,409 In Stock	1 : $21.16000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	DC	-	6 ~ 28V	2.9kHz	Piezo	Single Tone	-	68dB @ 6V, 61cm	3 ~ 18mA	Top	-30°C ~ 65°C	cUL, UL	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)	1.687" Dia (42.85mm)	1.809" (45.96mm)
PK-35N29W-24VQ BUZZER PIEZO 24V 42MM FLANGE Mallory Sonalert Products Inc.	1,443 In Stock	1 : $5.61000 Bulk	PK	Bulk	Active	Indicator, Internally Driven	DC	24 V	22 ~ 28V	2.9kHz	Piezo	Single Tone	-	90dB @ 24V, 30cm	12mA	Top	-20°C ~ 70°C	-	-	Panel Mount, Flange	Wire Leads	1.654" Dia (42.00mm)	0.638" (16.20mm)
SC628R BUZZER PIEZO 42.98MM PNL MNT Mallory Sonalert Products Inc.	3,008 In Stock	1 : $21.16000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	DC	-	6 ~ 28V	2.9kHz	Piezo	Single Tone	-	68dB @ 6V, 61cm	3 ~ 18mA	Top	-30°C ~ 65°C	cUL, UL	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)	1.692" Dia (42.98mm)	1.399" (35.54mm)
SC628N-BTR BUZZER PIEZO 42.98MM PNL MNT Mallory Sonalert Products Inc.	224 In Stock	1 : $23.36000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	DC	-	6 ~ 28V	2.9kHz	Piezo	Single Tone	-	80dB @ 6V, 61cm	6 ~ 23mA	Top	-30°C ~ 65°C	cUL, UL	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)	1.692" Dia (42.98mm)	1.399" (35.54mm)
SC628LR BUZZER PIEZO 42.98MM PNL MNT Mallory Sonalert Products Inc.	130 In Stock	1 : $27.02000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	DC	-	6 ~ 28V	2.9kHz	Piezo	Single Tone	-	68dB @ 6V, 61cm	4 ~ 18mA	Top	-30°C ~ 65°C	UL	-	Panel Mount	Wire Leads	1.692" Dia (42.98mm)	1.330" (33.77mm)
SC628ANR BUZZER PIEZO 42.98MM PNL MNT Mallory Sonalert Products Inc.	339 In Stock	1 : $42.86000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	AC, DC	-	6 ~ 28V	2.9kHz	Piezo	Single Tone	-	80dB @ 7.5V, 61cm	4 ~ 30mA	Top	-30°C ~ 65°C	cUL, UL	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)	1.692" Dia (42.98mm)	1.399" (35.54mm)
SCE028MD3CTB BUZZER PIEZO 42.85MM PNL MNT Mallory Sonalert Products Inc.	9 In Stock	1 : $24.64000 Bulk	SCE	Bulk	Active	Indicator, Internally Driven	DC	-	16 ~ 28V	2.9kHz	Piezo	Single Tone	-	75dB @ 16V, 61cm	40mA	Top	-40°C ~ 85°C	cUL, UL	-	Panel Mount	Terminal Block	1.687" Dia (42.85mm)	1.511" (38.39mm)
SC307NR BUZZER PIEZO 42.85MM PNL MNT Mallory Sonalert Products Inc.	14 In Stock	1 : $29.54000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	DC	-	3 ~ 7V	2.9kHz	Piezo	Single Tone	-	80dB @ 3V, 61cm	4 ~ 20mA	Top	-30°C ~ 65°C	cUL, UL	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)	1.687" Dia (42.85mm)	1.399" (35.54mm)
SC628N BUZZER PIEZO 42.98MM PNL MNT Mallory Sonalert Products Inc.	3 In Stock	1 : $25.58000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	DC	-	6 ~ 28V	2.9kHz	Piezo	Single Tone	-	80dB @ 6V, 61cm	4 ~ 16mA	Top	-30°C ~ 65°C	UL	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)	1.692" Dia (42.98mm)	1.330" (33.77mm)
SC616NL BUZZER PIEZO 42.85MM PNL MNT Mallory Sonalert Products Inc.	1 In Stock	1 : $29.61000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	DC	-	6 ~ 16V	2.9kHz	Piezo	Single Tone	-	80dB @ 6V, 61cm	6 ~ 22mA	Top	-30°C ~ 65°C	UL	-	Panel Mount	Wire Leads	1.687" Dia (42.85mm)	1.809" (45.96mm)
SC628ANP BUZZER PIEZO 42.98MM PNL MNT Mallory Sonalert Products Inc.	1 In Stock	1 : $79.41000 Bulk	SC	Bulk	Active	Indicator, Internally Driven	AC, DC	-	6 ~ 28V	2.9kHz	Piezo	Pulse, Fast	2 ~ 10 PPS	80dB @ 6V, 61cm	4 ~ 30mA	Top	-30°C ~ 65°C	UL	-	Panel Mount	Screw Terminal, Quick Connect Tab - 0.250" (6.35mm)	1.692" Dia (42.98mm)	1.330" (33.77mm)

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Alarms, Buzzers, and Sirens are devices that produce an audible signal usually like a steady high-pitched hum that is encased within a molded housing. The characteristics are driver circuitry, input type, voltage rated, voltage range, frequency, technology, operating mode, current supply, and port location. The technology is electromechanical, magnetic, piezo, and piezo (with feedback) with a frequency from multiple, 200Hz to 8kHz.